title: Whitacre and pencil-point spinal needles: some points to consider.
authors.forename: L E
authors.initials: LE
authors.lastname: Carrie
mesh_terms: D000775:Anesthesia, Spinal / Q000295:instrumentation*; D004867:Equipment Design; D006261:Headache / Q000517:prevention & control; D006801:Humans; D009339:Needles; D011183:Postoperative Complications / Q000517:prevention & control